Difference between revisions of "Arnica lessingii"
Pittonia 4: 167. 1900.
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|common_names=Nodding arnica | |common_names=Nodding arnica | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Arnica angustifolia var. lessingii | |name=Arnica angustifolia var. lessingii | ||
|authority=Torrey & A. Gray | |authority=Torrey & A. Gray | ||
| + | |rank=variety | ||
| + | |publication_title=Fl. N. Amer. | ||
| + | |publication_place=2: 449. 1843 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Arnica lessingii subsp. norbergii | |name=Arnica lessingii subsp. norbergii | ||
|authority=Hultén & Maguire | |authority=Hultén & Maguire | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Arnica;Arnica lessingii | |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Arnica;Arnica lessingii | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Arnica lessingii | name=Arnica lessingii | ||
| − | |||
|authority=(Torrey & A. Gray) Greene | |authority=(Torrey & A. Gray) Greene | ||
|rank=species | |rank=species | ||
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|publication year=1900 | |publication year=1900 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_917.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae | ||
Latest revision as of 21:15, 5 November 2020
Plants 8–35 cm. Stems (1–3 together) usually simple, rarely branched (moderately to densely hairy, hairs translucent with purple septa). Leaves (2–)3–5(–6) pairs, usually crowded toward stem bases; petiolate or sessile (petioles short-winged); blades elliptic, lanceolate, or broadly oblanceolate, 3–10 × 1–2.5 cm, margins usually entire proximal to mid blade, subentire to denticulate distally, apices acute to obtuse, faces: abaxial paler and often glabrous, adaxial slightly hairy. Heads 1 (nodding). Involucres turbinate-campanulate (bases moderately villous, hairs brownish). Phyllaries 11–15, lanceolate to elliptic (apices obtuse, tips blunt, callous). Ray florets 8–13; corollas yellow (laminae 14–20 mm). Disc florets: corollas yellow; anthers dark purple. Cypselae brown, 5–6 mm, sparsely strigose (hairs simple, apically pointed) or glabrous; pappi tawny, bristles barbellate. 2n = 38, 57, 76.
Phenology: Flowering Jun–Sep.
Habitat: Coastal tundra to alpine slopes
Elevation: 0–1500 m
Distribution
B.C., N.W.T., Yukon, Alaska, Asia (Russian Far East).
Discussion
Selected References
None.